220111210102020 has 24 divisors (see below), whose sum is σ = 616311388285824. Its totient is φ = 58696322693856.

The previous prime is 220111210101997. The next prime is 220111210102051. The reversal of 220111210102020 is 20201012111022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834260084124 + ... + 1834260084243.

It is an arithmetic number, because the mean of its divisors is an integer number (25679641178576).

Almost surely, 2^{220111210102020} is an apocalyptic number.

220111210102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111210102020 is an abundant number, since it is smaller than the sum of its proper divisors (396200178183804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220111210102020 is a wasteful number, since it uses less digits than its factorization.

220111210102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668520168379 (or 3668520168377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220111210102020 its reverse (20201012111022), we get a palindrome (240312222213042).

The spelling of 220111210102020 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred ten million, one hundred two thousand, twenty".